How do I do this question

9q - 15 = - 78

Marcela made 4 out of 16 free throws. write the fraction of free throws she made in simplest form

Diana invested $3000 in a saving account for 3 years. she earned $450 in interest over the time period.

X + 3y = 8, x - 4y = - 6

Alfonso earned a score of 87.5% on his test. he did 56 problems correctly. how many problems were on the test?

Decimal a = 2.5m; decimal b = 4.0m; decimal c = 12.7m; int i = 4; int j = 8; int k = 17; What is the value of x after the following statement is executed? decimal x = (decimal) i / (decimal) j; a. 1.0 b. 0.5 c. 2.0 d. 0.0

What's the sum of - 4 and 14

If a cube has a volume of 64 cubic units how long is its edge?

Which of the following are solutions to the equations below? x^2+x-20=0

What does the 3 represent in 3 (20 15) ?

the beach shop sold 12 skim boards on saturday and 9 on sunday. What is the percent of decrease from saturday to sunday?